A California proposal would offset the state’s climate-altering emissions by paying for forest conservation in Chiapas. Could there be unintended consequences in a region with a history of human rights abuse and land grabs?

In 1899, First Nations in northern Alberta signed a treaty with Queen Victoria that enshrined their right to practice traditional lifeways. Today, it’s the basis for a legal challenge to Shell Oil’s mining of tar sands.

Three years ago, Matika Wilbur set out on an ambitious undertaking: a vast road trip across America to photograph members of all 562 of America’s federally-recognized tribes.Natasha DonovanJan 30, 2015

Decades ago, the legendary journey of the open-ocean canoe Hokule‘a revealed secrets of Hawai‘i’s past and sparked pride in native culture. Now, a voyage around the world offers a new generation lessons about Earth’s uncertain future.